.box {
    width: 113px;
    height: 118px;
    background: url("./img.png") no-repeat;
    background-size: 678px 160px;
    animation: ani 3s steps(6, jump-end) infinite;
}

@keyframes ani {
    from {
        background-position:0 0;
    }
    to {
        background-position: -678px 0;
    }
}